Rock Carbide bits with four flute carbide head that provides longer bit life with a special enlarged flute design that channels debris out of the hole for fast, efficient drilling into masonry, concrete, rock, and artificial stone. The bits in this set are intended to make holes for mechanical anchors. No-Spin Shank to eliminate bit slippage; used with 3/8" and 1/2" sized chucks. Includes: 3/16"x3", 1/4"x4", 5/16"x6", 3/8"x6", 1/2"x6" and (2) 1/4"x6".

Use to power through masonry, concrete, rock, and more with DEWALT Hammer Drill Bits. Featuring rock carbide tips that maximize surface contact for extended bit life and a four flute design that cleans debris while you work. Three flats on the shank eliminate bit slippage. Two cutter carbide tip maximizes carbide surface contact for longer bit life. Includes: 3/16", 1/4", 5/16", 3/8", and 1/4" bits.

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